David H Lyon a Professional Corporation
NPI 1649675778 · Internal Medicine Physician · Modesto, CA
David H Lyon a Professional Corporation is a Internal Medicine Physician organization in Modesto, CA (NPI 1649675778).
Provider details
- NPI number
- 1649675778
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Julie Smith, Supervisor(209) 552-7551
- License
- 00A431800 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- David H Lyon MD
Registry dates
- Enumerated
- 2014-10-31
- Last updated
- 2014-12-23
Frequently asked questions
- What is David H Lyon a Professional Corporation's NPI number?
- David H Lyon a Professional Corporation's National Provider Identifier (NPI) is 1649675778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is David H Lyon a Professional Corporation?
- David H Lyon a Professional Corporation is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David H Lyon a Professional Corporation located?
- David H Lyon a Professional Corporation's practice location on file with NPPES is 4701 Sisk Rd, Modesto, CA 95356-9320.
- What is David H Lyon a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for David H Lyon a Professional Corporation is (888) 582-0814.
- Who is the authorized official for David H Lyon a Professional Corporation?
- The authorized official listed on David H Lyon a Professional Corporation's NPPES record is Julie Smith, Supervisor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is David H Lyon a Professional Corporation's NPI active?
- Yes — David H Lyon a Professional Corporation's NPI (1649675778) is active in the NPPES registry as of the last update on 2014-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.